The geographical environment of Cangzhou

Cangzhou spans 37 29' north latitude to 38 57' east longitude115 42' to117 50'. Influenced by latitude and topography, it presents an obvious warm temperate continental monsoon climate. The general climate is: four distinct seasons, moderate temperature, abundant sunshine, rain and heat in the same season, concentrated precipitation, frequent disastrous weather, drought in spring and waterlogging in summer, cool in autumn and dry in winter. Spring is dry and windy, summer is hot and rainy, autumn is cool and sunny, and winter is cold and dry. The annual average temperature is 12.5℃, and the annual average precipitation is 58 1 mm. The annual accumulated temperature is 4785℃, and the frost-free period is 18 1 day. The seasonal distribution of precipitation and temperature and the temperature difference between day and night are obvious.